"....corpus-informed dictionaries for English language learners at all levels. They're ideal for anyone preparing for Cambridge English exams and IELTS".
Coming with word origins, word lists, language questions, grammar help, writing tips and many more, it proves to be handy and attractive to the user. Don't miss. Look at this example on silent letters. https://blog.oxforddictionaries.com/2016/06/silent-letters/
As they say.."At the cutting edge of language change, Collins free online English dictionary offers you all the latest words and phrases you need at your fingertips. Whether for study, at work, or on the go, you can check spellings, look up meanings and words you need, every day".
"Visual Dictionary, to learn by way of image with thematic, clear and precise pages, with concise and rigorous texts, multilingual, the InfoVisual will become an academic resource. Different from an encyclopedia or from a traditional online dictionaries, thesauri and glossaries because the images replace the words"
"A large collection of English as a Second Language (ESL) tools & resources for students, teachers, learners and academics, covering the full spectrum of ESL, EFL, ESOL, and EAP subject areas"
"lingro's mission is to create an on-line environment that allows anyone learning a language to quickly look up and learn the vocabulary most important to them".
MySpace Toys
MySpace Flash Toys
DICTIONARIES TO HELP YOU WITH YOUR WRITING AND VOCABULARY EXPANSION
http://el.glosbe.com/
Μια τεράστια βάση δεδομένων με εκατομμύρια παραδείγματα από γνήσια κείμενα.
http://dictionary.cambridge.org/
"....corpus-informed dictionaries for English language learners at all levels. They're ideal for anyone preparing for Cambridge English exams and IELTS".
https://en.oxforddictionaries.com
Coming with word origins, word lists, language questions, grammar help, writing tips and many more, it proves to be handy and attractive to the user. Don't miss. Look at this example on silent letters. https://blog.oxforddictionaries.com/2016/06/silent-letters/
http://www.collinsdictionary.com/dictionary/english
As they say.."At the cutting edge of language change, Collins free online English dictionary offers you all the latest words and phrases you need at your fingertips. Whether for study, at work, or on the go, you can check spellings, look up meanings and words you need, every day".
https://www.infovisual.info/en
"Visual Dictionary, to learn by way of image with thematic, clear and precise pages, with concise and rigorous texts, multilingual, the InfoVisual will become an academic resource. Different from an encyclopedia or from a traditional online dictionaries, thesauri and glossaries because the images replace the words"
http://www.yourdictionary.com/
"YourDictionary is more than a dictionary. It's a comprehensive reference site with synonyms, sentence examples, quotes, biographies, and an amazing collection of grammar-related articles and education resources for students, teachers, parents and homeschoolers".
https://photographicdictionary.com/letter
Photographs of animals
http://visual.merriam-webster.com/
Visual dictionary including a broad number of categories like plants and gardening, food and beverages and many more.
http://www.english-slang.com/
English-slang.com is an ESL learning collection with an accent on slang and idioms
http://www.macmillandictionary.com/
Coming with numerous resources like videos, infographics, grammar, pragmatics, word lists and many more you will find invaluable.
http://translate.reference.com/
With definitions, synonyms and a translator.
https://www.usingenglish.com/
"A large collection of English as a Second Language (ESL) tools & resources for students, teachers, learners and academics, covering the full spectrum of ESL, EFL, ESOL, and EAP subject areas"
Video Dictionary: Vidtionary
A video dictionary arranged in categories
Phrases.net
"Phrases.net is a large collection of common phrases, casual expressions and idioms"
Forvo
Ένας οδηγός προφορών με διάφορα ενσωματωμένα εργαλεία, όπως θεματικά βίντεο, και χιλιάδες χρήστες που το εμπλουτίζουν καθημερινά.
http://www.wordreference.com
One of the best bilingual dictionaries for the Greek language on the web. You are going to use it a lot.
http://www.wordhippo.com/
Find similar or opposite words, rhyming words, example sentences and many more here.
http://www.snappywords.com/
An amazing visual online dictionary and thesaurus. By hovering your mouse over a word, meanings in nodes are associated visually. Precious!!
http://blachan.com/shahi/
Another visual dictionary which combines Wiktionary content with Flicker images and many more.
http://lingro.com
"lingro's mission is to create an on-line environment that allows anyone learning a language to quickly look up and learn the vocabulary most important to them".
Also, consult this amazing list Vocabulary building digital tools